C13332313311211113313331333131133133313232233132313113313232333131   >>    C1333231331121111331333133313113313331323223313231311331323233313   <<    C13332313311211113313331333131133133313232233132313113313232333133   >>      C13332313311211113313331333131133133313232233132313113313232333132   >>